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Business Combination (Tables) | 12 Months Ended
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Dec. 31, 2018
Business Combination [Abstract] |
Preliminary Purchase Price Allocation for the Sivomatic Acquisition | The following table summarizes the Company’s preliminary purchase price allocation for the Sivomatic acquisition as of December 31, 2018, as compared with the allocation previously reported on the Company's Form 10-Q for the quarter ended July 1, 2018:
|  | Preliminary Allocation |  |  |  |  |  |  |
|  | Previously Reported on Form |  |  | Increase/ |  |  | Allocation as of |
(millions of dollars) |  | 10-Q as of July 1, 2018 |  |  | (Decrease) |  |  | December 31, 2018 |
Accounts receivable |  | $ | 24.4 |  |  | $ | — |  |  | $ | 24.4 |
Inventories |  |  | 15.6 |  |  |  | — |  |  |  | 15.6 |
Other current assets |  |  | 0.6 |  |  |  | — |  |  |  | 0.6 |
Mineral rights |  |  | 35.0 |  |  |  | 4.7 |  |  |  | 39.7 |
Plant, property and equipment |  |  | 38.0 |  |  |  | (9.7 | ) |  |  | 28.3 |
Goodwill |  |  | 32.4 |  |  |  | 2.6 |  |  |  | 35.0 |
Intangible assets |  |  | 20.0 |  |  |  | 6.4 |  |  |  | 26.4 |
Total assets acquired |  |  | 166.0 |  |  |  | 4.0 |  |  |  | 170.0 |
Current maturity of long-term debt |  |  | 5.7 |  |  |  | — |  |  |  | 5.7 |
Accounts payable |  |  | 9.0 |  |  |  | — |  |  |  | 9.0 |
Accrued expenses |  |  | 5.8 |  |  |  | (0.2 | ) |  |  | 5.6 |
Long-term debt |  |  | 5.1 |  |  |  | 0.2 |  |  |  | 5.3 |
Non-current deferred tax liability |  |  | 16.2 |  |  |  | 3.5 |  |  |  | 19.7 |
Other non-current liabilities |  |  | 0.1 |  |  |  | 2.1 |  |  |  | 2.2 |
Total liabilities assumed |  |  | 41.9 |  |  |  | 5.6 |  |  |  | 47.5 |
Net assets acquired |  | $ | 124.1 |  |  | $ | (1.6 | ) |  | $ | 122.5 |

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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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